CN103363294B - A kind of useless helium recovery system for air conditioner industry - Google Patents
A kind of useless helium recovery system for air conditioner industry Download PDFInfo
- Publication number
- CN103363294B CN103363294B CN201310284522.4A CN201310284522A CN103363294B CN 103363294 B CN103363294 B CN 103363294B CN 201310284522 A CN201310284522 A CN 201310284522A CN 103363294 B CN103363294 B CN 103363294B
- Authority
- CN
- China
- Prior art keywords
- interface
- air bag
- air
- unit
- compression unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000001307 helium Substances 0.000 title claims abstract description 76
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 76
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000011084 recovery Methods 0.000 title claims abstract description 30
- 230000006835 compression Effects 0.000 claims abstract description 51
- 238000007906 compression Methods 0.000 claims abstract description 51
- 238000001035 drying Methods 0.000 claims abstract description 38
- 238000004378 air conditioning Methods 0.000 claims abstract description 21
- 229910001220 stainless steel Inorganic materials 0.000 claims description 13
- 239000010935 stainless steel Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000000116 mitigating effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 3
- 230000003203 everyday effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Drying Of Gases (AREA)
Abstract
The invention discloses a kind of useless helium recovery system for air conditioner industry, comprise and reclaim interface, measuring unit, air bag, compression unit, filter element, drying unit, bus-bar, storage element, switch board and start cabinet.Air bag to give up the release of helium along with air-conditioning factory, and the height of air bag can increase, and when reaching the higher limit controlling setting, compression unit starts compressor.Along with the air-breathing of compression unit, the height of air bag can reduce, and when reaching the lower limit controlling setting, compression unit stops compressor.When the pressure of storage element reaches setting value (15MPa) of switch board, compression unit stops compressor, and sends warning and need change storage element.At this moment it is pending that the useless helium be recovered in steel cylinder collection dress lattice can be transported to appointed place.This equipment has that energy consumption is low, cost performance is high, security is good and automaticity high, can play mitigation for nervous helium resource simultaneously.
Description
Technical field
The present invention relates to useless helium recovery system field, be specially a kind of useless helium recovery system for air conditioner industry.
Background technology
Helium leak check is widely used at air conditioner industry, and in the process of carrying out helium leak check, when detecting that the purity of helium can not meet the demands, traditional processing mode is that a part is wherein carried out emptying, then supplements with pure helium.But the useless helium of a part of emptying reclaims by leak detection useless helium recovery equipment just, be filled with in steel cylinder collection dress lattice pending.
The helium resource of China is less, and the price comparison of helium is expensive.Adopt useless helium recovery equipment of the present invention can solve the phenomenons such as air-conditioning factory helium waste.
Summary of the invention
The object of this invention is to provide a kind of useless helium recovery system for air conditioner industry, realize the useless helium of air conditioner industry emptying to reclaim, with solve prior art air-conditioning factory give up helium waste problem.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of useless helium recovery system for air conditioner industry, it is characterized in that: include recovery joint successively, measuring unit, air bag, compression unit, filter element, drying unit, bus-bar, storage element, wherein, reclaim joint one end to be connected with the useless helium drain of air-conditioning factory, described measuring unit two ends are respectively arranged with interface, the other end reclaiming joint is connected with measuring unit one end interface, described air bag have into, to give vent to anger interface, measuring unit other end interface is connected with air bag intake interface by pipeline, described compression unit have into, to give vent to anger interface, the interface of giving vent to anger of air bag is communicated with the intake interface of compression unit by pipeline, described filter element, drying unit have respectively into, to give vent to anger interface, the interface of giving vent to anger of compression unit is connected with the intake interface of filter element by pipeline, the interface of giving vent to anger of filter element is connected with the intake interface of drying unit by pipeline, described bus-bar has an import, multiplely fill mouth, storage element has multiple, each storage element is respectively the container of inlet, the interface of giving vent to anger of drying unit is connected with the import of bus-bar by pipeline, the air inlet one_to_one corresponding of storage element is connected with the mouth that fills of bus-bar by pipeline, air-conditioning factory gives up helium by reclaiming interface feeding measuring unit, air bag is entered after measuring unit is measured, after the compressed unit of useless helium be kept in air bag provides and fills bottle pressure, again successively after filter element filtration, drying unit drying, be filled in each storage element through bus-bar shunting.
Described a kind of useless helium recovery system for air conditioner industry, it is characterized in that: also include switch board, start cabinet, the outer horizontal both sides of described air bag are provided with correlation switch, described drying unit is provided with pressure transmitter, pressure switch, safety valve, described correlation switch, pressure transmitter are electrically connected with switch board respectively, described compression unit control end is electrically connected with switch board, and described startup cabinet is electrically connected with compression unit power end, and described pressure switch is electrically connected with startup cabinet.
Described a kind of useless helium recovery system for air conditioner industry, it is characterized in that: described measuring unit is made up of conventional filters, turbine flowmeter, purity instrument and support installing rack, by supporting installing rack, conventional filters, turbine flowmeter and purity instrument being mounted for one.The useless helium of air-conditioning factory enters air bag by reclaiming interface, conventional filters, turbine flowmeter and purity instrument successively, reclaim interface to be connected with conventional filters, the interface of purity instrument is connected with air bag, and the parts of described formation are all connected by 2.5 inches of stainless steel lathe dog.
Described a kind of useless helium recovery system for air conditioner industry, is characterized in that: described compression unit adopts compressor.
Described a kind of useless helium recovery system for air conditioner industry, it is characterized in that: described filter element is made up of the dust removal filter connected by pipeline, oil removal filter, the useless helium that compression unit is sent sends into drying unit through dust removal filter filtration, oil removal filter after filtering successively.
Described a kind of useless helium recovery system for air conditioner industry, it is characterized in that: described drying unit is High Pressure Absorption formula drier, described pressure transmitter, pressure switch, safety valve three use NPT thread seal form, and are attempted by the main pipeline of High Pressure Absorption formula drier arrival end by the stainless steel pipeline of DN6 and threeway.
Beneficial effect of the present invention:
As can be seen from technique scheme, the present invention is by connecting interface, measuring unit, air bag, compression unit, filter element, drying unit, storage element switch board and start the useless helium recovery equipment that becomes of group and solve air-conditioning factory and to give up the problem of helium emptying, has saved helium resource; The technical scheme taked has following characteristics.
The first, the compressor in compression unit of the present invention carries out switching on and shutting down by the height of air bag with the pressure comprehensive descision filling bottle, and the present invention can realize automatically, unmanned.
The second, compression unit of the present invention and drying unit are all provided with the safety devices such as pressure transmitter, pressure switch and safety valve, safe and reliable when ensureing that the present invention runs.
3rd, the compressor in compression unit of the present invention adopts air-cooled compressor, simple to operate, easy care.
Accompanying drawing explanation
Fig. 1 is present system structured flowchart.
To be the present invention to give up helium recovery equipment field layout figure at air conditioner industry Fig. 2.
Detailed description of the invention
A kind of useless helium recovery system for air conditioner industry, include recovery joint successively, measuring unit, air bag, compression unit, filter element, drying unit, bus-bar, storage element, wherein, reclaim joint one end to be connected with the useless helium drain of air-conditioning factory, described measuring unit two ends are respectively arranged with interface, the other end reclaiming joint is connected with measuring unit one end interface, air bag have into, to give vent to anger interface, measuring unit other end interface is connected with air bag intake interface by pipeline, compression unit have into, to give vent to anger interface, the interface of giving vent to anger of air bag is communicated with the intake interface of compression unit by pipeline, filter element, drying unit have respectively into, to give vent to anger interface, the interface of giving vent to anger of compression unit is connected with the intake interface of filter element by pipeline, the interface of giving vent to anger of filter element is connected with the intake interface of drying unit by pipeline, bus-bar has an import, multiplely fill mouth, storage element has multiple, each storage element is respectively the container of inlet, the interface of giving vent to anger of drying unit is connected with the import of bus-bar by pipeline, the air inlet one_to_one corresponding of storage element is connected with the mouth that fills of bus-bar by pipeline, air-conditioning factory gives up helium by reclaiming interface feeding measuring unit, air bag is entered after measuring unit is measured, after the compressed unit of useless helium be kept in air bag provides and fills bottle pressure, again successively after filter element filtration, drying unit drying, be filled in each storage element through bus-bar shunting.
Also include switch board, start cabinet, the outer horizontal both sides of described air bag are provided with correlation switch, described drying unit is provided with pressure transmitter, pressure switch, safety valve, described correlation switch, pressure transmitter are electrically connected with switch board respectively, described compression unit control end is electrically connected with switch board, described startup cabinet is electrically connected with compression unit power end, and described pressure switch is electrically connected with startup cabinet.
Measuring unit is made up of conventional filters, turbine flowmeter, purity instrument and support installing rack, by supporting installing rack, conventional filters, turbine flowmeter and purity instrument is mounted for one.The useless helium of air-conditioning factory enters air bag by reclaiming interface, conventional filters, turbine flowmeter and purity instrument successively, reclaim interface to be connected with conventional filters, the interface of purity instrument is connected with air bag, and the parts of described formation are all connected by 2.5 inches of stainless steel lathe dog.
Compression unit adopts compressor.
Filter element is made up of the dust removal filter connected by pipeline, oil removal filter, and the useless helium that compression unit is sent filters through dust removal filter successively, oil removal filter sends into drying unit after filtering.
Drying unit is High Pressure Absorption formula drier, and described pressure transmitter, pressure switch, safety valve three use NPT thread seal form, and is attempted by the main pipeline of High Pressure Absorption formula drier arrival end by the stainless steel pipeline of DN6 and threeway.
The present invention includes: reclaim joint, measuring unit, air bag, compression unit, filter element, drying unit, storage element, switch board and startup cabinet, wherein.
Described recovery joint and the air-conditioning factory helium vent that gives up is connected, and manually valve carries out Kai Heguan, and interface shape is the fast acting flange of stainless steel.
Measuring unit between connecting interface and air bag, for completing the measurement of useless helium.Measurement index comprises two aspects, and one is the purity of useless helium, and another one is the integrated flux of useless helium.Measurement device is respectively gas purity instrument and gas turbine meter formed, and for improving such scheme, useless helium survey unit also will increase conventional filters because the oil content of the useless helium of air-conditioning factory and granule foreign more, for the purpose of protection equipment.
After air bag is connected to measuring unit, air bag is that whole reclaimer provides atmospheric pressure environment.Effect has two, and the useless helium of air-conditioning factory discharges by first completely, and second provides normal pressure air-breathing for compression unit below; With the wired hose that the connecting line of air bag is 2 inches, interface shape is the fast acting flange of stainless steel.
After compression unit is connected to air bag, provide high pressure for useless helium fills bottle storage; Compression unit critical piece is compressor, and filling bottle pressure is 15Mpa.
Filter element is for removing oil, water and the impurity particle in useless helium.Dust removal and filtration accuracy class is 3um, and the accuracy class of oil removal filter is 0.008ppm and 0.01um.
Drying unit is for removing the moisture in useless helium, and dew point levels meets ISO8573-1, the second grade.
Storage element adopts the form of steel cylinder collection dress lattice, 20 steel cylinder composition one collection dress lattice; Collection dress lattice quantity decides according to the useless amount of helium of air-conditioning factory release every day, and native system have employed 5 groups.
Specific embodiment:
Shown in seeing figures.1.and.2, the useless helium recovery equipment for air conditioner industry includes and reclaims interface 1, measuring unit 2, air bag 3, compression unit 4, filter element 5, drying unit 6, bus-bar 7, storage element 8, switch board 9 and start cabinet 10.
Described recovery interface 1 one end is connected with useless helium drain, and the other end is connected with measuring unit 2, need carry out design be connected with useless helium drain according to air-conditioning factory physical interface, and the interface be connected with measuring unit 2 is the fast acting flange form of stainless steel.
Measuring unit 2 is installed near the air-conditioning factory helium drain that gives up, and measuring unit 2 is specifically by conventional filters, turbine flowmeter, purity instrument with support installing rack and formed.By supporting installing rack, conventional filters, turbine flowmeter and purity instrument are mounted for one, composition measuring unit 2.Support bottom installing rack and leave fixing hole, use swell fixture to be fixed on ground.
Measuring unit 2 liang of end interfaces are 2.5 inches of stainless steel lathe dog standard interfaces; It should be noted that switch board need access 24V to turbine flowmeter and power, the output signal of purity instrument will collect switch board in addition.
Air-conditioning factory helium release conditions of giving up illustrates have every day 150 cubes of useless helium to discharge, point morning, noon and afternoon three times, on average each 50 cubes.
Air bag 3 need be selected according to the give up burst size of helium of air-conditioning factory, and the air bag of selection 50 cubes is described according to above useless helium release conditions; Air bag format diameter is 2.85 meters, and length 8.7 meters, catches whole air bag by rope, and ground is fixed at the angle of four below.
Air bag 3 is connected by wired hose with measuring unit 2, and the specification of wired hose is 2.5 inches, and interface is 2.5 inches of stainless steel lathe dog standard interfaces.
Adopt wired hose equally between air bag 3 and compression unit 4, specification is 2.5 inches, and interface is 2.5 inches of stainless steel lathe dog standard interfaces, and wired hose connecting length should control within 3 meters.
Through filter element 5(12 after the compressed unit 4 of useless helium in air bag 3 compresses) and drying unit 6 purified treatment; Dust removal and filtration accuracy class is 3um, and the accuracy class of oil removal filter is 0.008ppm and 0.01um; Dry dew point levels meets ISO8573-1, the second grade.
The charge pressure of compression unit 4 is 15MPa; The stainless steel tube that pipeline after compression unit 4 connects employing DN10 is connected with metal hose.
Bus-bar 7 is an import, and five fill mouth; Import and drying unit 6 adopt DN10 metal hose to be connected, and interface is the ball joint of DN10; Five fill mouth and are connected respectively with storage element 8.
Storage element 8 fills lattice by five groups of bottle steel group collection and formed; The nominal pressure of storage element 8 is 15MPa.
Specifically describe operating principle of the present invention below:
Three-phase alternating current in factory's power distribution cabinet is connected on switch board 9, the knob starting cabinet 10 is rotated to the position of opening.In the both sides of air bag 3, correlation switch is housed, the height of air bag 3 increases along with the increase of useless amount of helium, and when highly reaching correlation switch height site, switch board 9 receives enabling signal, and compression unit 4 starts compression.
Compression unit 4 starts air-breathing from air bag 3, and along with the air-breathing of compressor, the height of air bag 3 can reduce, and when highly reaching correlation switch low points, switch board 9 receives stopping signal equally, and compression unit 4 stops compression.
Along with the work of compression unit 4, the pressure of storage element 8 can slowly raise, and when the pressure of storage element 8 reaches 15MPa, the signal being arranged on the pressure transmitter on drying unit 6 is sent to switch board 9, makes compression unit 4 stop compression.And send warning and need change storage element.
The safety measure that equipment is taked, when pressure transmitter malfunction and failure, starts cabinet 10 meeting deenergization equally, makes compression unit 4 stop compression when the pressure switch on drying unit 6 reaches upper limit set value.If pressure switch malfunction and failure, the safety valve on drying unit 6 can detonate when pressure reaches safety valve calibration value, and the Fault Control cabinet 9 of each step all can send fault alarm.
In sum: circulation and stress can be carried out by the useless helium recovery equipment of air conditioner industry and to give up helium.
The foregoing is only embody rule mode of the present invention, but protection of the present invention is not limited thereto, the change without practice all should in protection scope of the present invention.
Claims (6)
1. the useless helium recovery system for air conditioner industry, it is characterized in that: include recovery joint successively, measuring unit, air bag, compression unit, filter element, drying unit, bus-bar, storage element, wherein, reclaim joint one end to be connected with the useless helium drain of air-conditioning factory, described measuring unit two ends are respectively arranged with interface, the other end reclaiming joint is connected with measuring unit one end interface, described air bag have into, to give vent to anger interface, measuring unit other end interface is connected with air bag intake interface by pipeline, described compression unit have into, to give vent to anger interface, the interface of giving vent to anger of air bag is communicated with the intake interface of compression unit by pipeline, described filter element, drying unit have respectively into, to give vent to anger interface, the interface of giving vent to anger of compression unit is connected with the intake interface of filter element by pipeline, the interface of giving vent to anger of filter element is connected with the intake interface of drying unit by pipeline, described bus-bar has an import, multiplely fill mouth, storage element has multiple, each storage element is respectively the container of inlet, the interface of giving vent to anger of drying unit is connected with the import of bus-bar by pipeline, the air inlet one_to_one corresponding of storage element is connected with the mouth that fills of bus-bar by pipeline, air-conditioning factory gives up helium by reclaiming interface feeding measuring unit, air bag is entered after measuring unit is measured, after the compressed unit of useless helium be kept in air bag provides and fills bottle pressure, again successively after filter element filtration, drying unit drying, be filled in each storage element through bus-bar shunting.
2. a kind of useless helium recovery system for air conditioner industry according to claim 1, it is characterized in that: also include switch board, start cabinet, the outer horizontal both sides of described air bag are provided with correlation switch, described drying unit is provided with pressure transmitter, pressure switch, safety valve, described correlation switch, pressure transmitter are electrically connected with switch board respectively, described compression unit control end is electrically connected with switch board, described startup cabinet is electrically connected with compression unit power end, and described pressure switch is electrically connected with startup cabinet.
3. a kind of useless helium recovery system for air conditioner industry according to claim 1, it is characterized in that: described measuring unit is made up of conventional filters, turbine flowmeter, purity instrument and support installing rack, by supporting installing rack, conventional filters, turbine flowmeter and purity instrument being mounted for one; The useless helium of air-conditioning factory enters air bag by reclaiming interface, conventional filters, turbine flowmeter and purity instrument successively, reclaim interface to be connected with conventional filters, the interface of purity instrument is connected with air bag, and the parts of described formation are all connected by 2.5 inches of stainless steel lathe dog.
4. a kind of useless helium recovery system for air conditioner industry according to claim 1, is characterized in that: described compression unit adopts compressor.
5. a kind of useless helium recovery system for air conditioner industry according to claim 1, it is characterized in that: described filter element is made up of the dust removal filter connected by pipeline, oil removal filter, the useless helium that compression unit is sent sends into drying unit through dust removal filter filtration, oil removal filter after filtering successively.
6. a kind of useless helium recovery system for air conditioner industry according to claim 1, it is characterized in that: described drying unit is High Pressure Absorption formula drier, described pressure transmitter, pressure switch, safety valve three use NPT thread seal form, and are attempted by the main pipeline of High Pressure Absorption formula drier arrival end by the stainless steel pipeline of DN6 and threeway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284522.4A CN103363294B (en) | 2013-07-08 | 2013-07-08 | A kind of useless helium recovery system for air conditioner industry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310284522.4A CN103363294B (en) | 2013-07-08 | 2013-07-08 | A kind of useless helium recovery system for air conditioner industry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103363294A CN103363294A (en) | 2013-10-23 |
| CN103363294B true CN103363294B (en) | 2016-02-03 |
Family
ID=49365260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310284522.4A Active CN103363294B (en) | 2013-07-08 | 2013-07-08 | A kind of useless helium recovery system for air conditioner industry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103363294B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108569682A (en) * | 2018-05-04 | 2018-09-25 | 安徽万瑞冷电科技有限公司 | A kind of optical fiber heating furnace tail gas recycle purification cycle utilizes system and method |
| CN110175778B (en) * | 2019-05-27 | 2020-12-22 | 珠海格力电器股份有限公司 | Unit energy efficiency planning system |
| CN112747253A (en) * | 2020-12-09 | 2021-05-04 | 格瑞拓动力股份有限公司 | Helium gas compression device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253575B1 (en) * | 1996-06-24 | 2001-07-03 | Corning Incorporated | Helium recycling for optical fiber manufacturing |
| US6517791B1 (en) * | 2000-12-04 | 2003-02-11 | Praxair Technology, Inc. | System and process for gas recovery |
| WO2011073476A1 (en) * | 2009-10-26 | 2011-06-23 | Consejo Superior De Investigaciones Científicas (Csic) | Helium-recovery plant |
| CN202497874U (en) * | 2012-03-16 | 2012-10-24 | 合肥巨网工业气体有限公司 | Helium-nitrogen mixture recycling gas supply system |
| CN202988727U (en) * | 2012-12-12 | 2013-06-12 | 河南省远洋铝业有限公司 | Nitrogen recycling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130047632A1 (en) * | 2010-05-03 | 2013-02-28 | Consejo Superior De Investigaciones Cientificas (Csic) | Gas liquefaction system and method |
-
2013
- 2013-07-08 CN CN201310284522.4A patent/CN103363294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6253575B1 (en) * | 1996-06-24 | 2001-07-03 | Corning Incorporated | Helium recycling for optical fiber manufacturing |
| US6517791B1 (en) * | 2000-12-04 | 2003-02-11 | Praxair Technology, Inc. | System and process for gas recovery |
| WO2011073476A1 (en) * | 2009-10-26 | 2011-06-23 | Consejo Superior De Investigaciones Científicas (Csic) | Helium-recovery plant |
| CN202497874U (en) * | 2012-03-16 | 2012-10-24 | 合肥巨网工业气体有限公司 | Helium-nitrogen mixture recycling gas supply system |
| CN202988727U (en) * | 2012-12-12 | 2013-06-12 | 河南省远洋铝业有限公司 | Nitrogen recycling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103363294A (en) | 2013-10-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103196518B (en) | Transformer and respirator online monitor and operating method thereof | |
| CN103363294B (en) | A kind of useless helium recovery system for air conditioner industry | |
| CN104801212B (en) | Automatic ammonia-water preparing device and method | |
| CN205723077U (en) | The monitoring device that transformer breather blocks | |
| CN204034525U (en) | A kind of cooling driers automatic drain system | |
| CN206818192U (en) | The detecting system of gas chamber piston gradient | |
| CN206740328U (en) | A kind of condenser of power plant leak detection system | |
| CN203324247U (en) | Automatic monitoring system of radioactive aerosol | |
| CN202735036U (en) | Condenser leak detection device | |
| CN209622498U (en) | A kind of intelligent pipeline hydraulic pressure monitoring device | |
| CN205060054U (en) | Fire extinguisher dry powder fills installation automatically | |
| CN215767269U (en) | Oil level detection device in transformer conservator | |
| CN207295848U (en) | A kind of secondary water-supply pump of adjustable water flow | |
| CN115025434A (en) | Extra-high voltage converter station fire extinguishing system performance detection device | |
| CN209559573U (en) | Combined sampling device inside and outside a kind of demister drop flue | |
| CN203241113U (en) | Transformer respirator online monitoring instrument | |
| CN203452767U (en) | Automatic metering device for oil well tipping bucket | |
| CN205349686U (en) | Reprocess latent water pump performance detection device | |
| CN204612858U (en) | Absorption tower demisting device differential pressure measuring installation | |
| CN204738803U (en) | Big cluster well natural gas gas -liquid separation measurement blending transportation skid -mounted device | |
| CN107990148B (en) | Novel gas pipeline siphon drainage device and method | |
| CN201844852U (en) | Condensation water recovery metering device | |
| CN206769893U (en) | A kind of natural gas individual well multiphase flow metering equipment | |
| CN207164023U (en) | A kind of gas pipeline on-line monitoring sensor installs device | |
| CN206292237U (en) | A kind of diesel production detecting device for moisture content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Waste helium recovering system for air-conditioning industry Effective date of registration: 20171011 Granted publication date: 20160203 Pledgee: Bank of Communications Ltd. Anhui branch Pledgor: VACREE TECHNOLOGIES Co.,Ltd. Registration number: 2017340000266 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20181214 Granted publication date: 20160203 Pledgee: Bank of Communications Ltd. Anhui branch Pledgor: VACREE TECHNOLOGIES Co.,Ltd. Registration number: 2017340000266 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A waste helium recovery system for the air conditioning industry Granted publication date: 20160203 Pledgee: Bank of Communications Ltd. Anhui branch Pledgor: VACREE TECHNOLOGIES Co.,Ltd. Registration number: Y2024980003248 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |